Prenatal second trimester ultrasound diagnosis of cloacal extrophy

Purpose: Bladder extrophy is rare and affects 1:30.000 – 50.000 live births, more often boys than girls. Prenatal diagnosis shows normal amniotic fluid with no visible bladder, but normal kidneys. Cloacal extrophy occurs in 1: 200 000 – 250 000 live births. Affecting the pelvic embryogenesis it results in the persistence of a common cloaca receiving ureters, ileum and a rudimentary hindgut in association with a wide range of urogenital tract anomalies, spinal dysraphism and imperforate anus. Case: A 27- year old II Gravida II Para presented for second trimester screening. Until then, the pregnancy had been uneve…